/**
 * @ClassName WrapperDemo01
 * @Description 包装类
 * @Author Li
 * @Date 2022/8/3 12:06
 * @ModifyDate 2022/8/3 12:06
 * @Version 1.0
 */
public class WrapperDemo01 {
    public static void main(String[] args) {
        String str = "123";
        int num = Integer.parseInt(str);
    }
}
